AMD Radeon RX 6600 XT 's Advantages
Released 3 years and 3 months late
Boost Clock has increased by 142% (2589MHz vs 1071MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)
1408 additional rendering cores
AMD Radeon RX 550X 640SP 's Advantages
Lower TDP (60W vs 160W)